A hydrothermal reaction to synthesize CuFeS2 nanorods

A hydrothermal reaction route has been developed to prepare chalcopyrite ph ase CuFeS2 nanorods at 200-250 degrees C. X-ray powder diffraction and tran smission electron microscopy results reveal that the CuFeS2 synthesized dis plays nanorods with diameters of 20-40 nm and lengths of up to several micr ometers. Elemental analysis gives the atomic ratio of Cu:Fe:S of 1:1.04:2.1 1. The Fe-57 Mossbauer spectrum exhibits a six-peak hyperfine magnetic spec trum and a like-splitted line non-magnetic peak. The factors influencing th e formation of the CuFeS2 nanorods were discussed. (C) 1999 Elsevier scienc e S.A. All rights reserved.